Antiskid device



HI SAINT PIERRE.

ANTISKID DEVICE.

APPLICATION FILED JUNE I5. I920.

Patented Feb. 15. 1921,

ATTORNEY WITNESS:

HENRY SAINT PIERRE, OF WILLIAIVISTO'VVN, VERIvIONT.

ANTISEZIID DEVICE.

messes.

Application filed June 15,

To aZZ whom it may concern.

Be it known that I, HENRY SAINT PIERRE, acitizen of the United States, residing at W illiamstown, in the county of Orange and State of Vermont, have invented new and useful Improvements in Antiskid Devices, of which the following is a specification.

This invention relates to connecting means for anti-skid devices for tires, the principal object of the invention being to facilitate the connecting together of the side chains of the anti-skid device.

Another object of the invention is to provide means for taking up the slack in the side chains afte the ends are connected to gether. V

This invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing my invention in detail, ref erence will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the sev eral views, and in which Figure 1 is a fragmentary side view showing my invention in use.

Fig. 2 is a plan view of the device.

' Fig. 3 is a section on line 33 of Flg. 2.

Fig. 4: is a longitudinal sectional view. Fig. 5 is a detail view of one of the links. In these views 1 and 2 indicate the end links of one of the side chains of the antiskid device and 3 indicates a portion of one of the cross pieces of said device. In carrying out my invention 1 provide a hook member 4 which has an outwardly extending portion having an eye 5 therein to receive the link 6 which is connected with the cross piece 3 so that said hook member is permanently secured to one of the cross pieces of the anti-skid device. The hook 7 of said member is adapted to engage the link 1 and the other end of said member carries a housing 8 which is preferably of rectangular form and is adapted to receive the rack member 9, which has its eye 10 connected with the link 2. The teeth 11 on'said rack member are curved as shown to securely grip the cross bar 12 which lies in the slot 13 formed in the upper part of the housing.

This cross bar is carried by the U-shaped Specification of Letters Patent.

Patented Feb. 15, 1921. 1920. Serial No. 389,138.

member 1a and this member is held with the cross bar in the lower portion or" the slot by means of the spring 15, which bears against the cross piece of the U-shaped member and a lace of the housing. Flanges 16 on said housing act as guides for the U -shaped member.

It will be seen that the curve of the teeth of the rack member will permit the said member to pass by the bar 12 when the rack member is pushed into the casing, the cross bar being pushed upwardly to permit this movement. These teeth will prevent the rack bar being withdrawn, however, as the cross bar will engage the curved recess between the pair of teeth and thus securely lock the parts together. When it is desired to remove the rack member from the housing 1t 1s slmply necessary to press the U-shaped member upwardly against the spring to force the cross bar above the teeth. It will also be seen that when the link 1 is placed over the hook 7 and the rack member pushed into position, said member will prevent the link from being forced over the hook.

I prefer to form the link 6 as shown in Fig. 5. Each link is formed of a rope made of very fine wire woven or twisted together and then galvanized and its ends are fastened together by the wire clamp 6'. This construction reduces the noise of the side members striking against the side chains while greatly strengthening the construction.

It is thought from the foregoing description that the advantages and novel features of my invention will be readily apparent.

I desire it tobe understood that I may make changes in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.

What I claim is 1. In combination with an anti-skid device, a hook member connected with one of the cross pieces thereor" and having its hook engaging one end of the device, a rack bar connected with the other end, a housing on the hook member for receiving said rack bar and a latch member for locking the rack bar in the housing. V

2. In combination with an anti-skid device, a hook member having an eye thereon for attachment to the anti-skid device, the hook on said member engaging one of the end links of the one of the cross pieces of device, a housing on said hook having a slot in its upper part, a rack member connected with the other end link and adapted to be passed into the housing, a cross-bar working in the slot in the housing and engaging the teeth of the rack member and a spring pressed member carrying said cross bar.

3. A device of the class described comprising a hook member having a housing at 10 one end thereof, said housing having a bar working insaid slot, a U-shap'ed: member carrying said bar a spring placed between one face of the housing and the cross piece of the U-shaped member for holding the bar in the innerpart of theslot, flanges in the housing acting as guides for said Ueshaped member and a rack bar adapted to be passed through saidhousing.

In testimony whereof I affix my signature.

, .HENRY ST. PIERRE. 

